Why can’t you taste anything when you plug your nose?

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Why can’t you taste anything when you plug your nose?

In: Biology
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Because your nose is around 60-70% responsible for ‘taste’ the food you eat releases chemicals that travel up to your nose. Receptors there pick up those chemicals and signal them to your brain

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How did you figure this out?, It makes sense but how and why

Because taste is mainly made up of substances that can only be picked up by the receptors in the nose. Our tongue is only useful for a handful of them such as sweet, sour, bitter, salty, etc.

You can try this at home: make a solution of 1 parts sugar and 9 parts water, taste it with you nose plugged, and compare it without plugging your nose. It’ll taste very different.

A large part of what your brain does with the signals sent to it by the tastebuds is actually a hack where it makes assumptions from signals sent from the smell receptors! Our brains take a lot of shortcuts with the senses.